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Finding the Fourth Proportional to 298,248.16, 447,470.64 and 120,904.32

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Solution

The fourth proportional to 298,248.16, 447,470.64 and 120,904.32 is: 181,396.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,248.16 : 447,470.64 = 120,904.32 : x
  2. Step 2: Convert to fraction form
    298,248.16/447,470.64 = 120,904.32/x
  3. Step 3: Cross multiply
    298,248.16x = 447,470.64 × 120,904.32
  4. Step 4: Simplify right side
    298,248.16x = 54,101,133,449.16
  5. Step 5: Solve for x
    x = 54,101,133,449.16/298,248.16
  6. Step 6: Final answer
    x = 181,396.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.